Aircraft



FIG. 1 is a top perspective view of an aircraft showing my new design;

FIG. 2 is a top plan view of an alternative configuration thereof;

FIG. 3 is a bottom plan view of the alternative configuration thereof;

FIG. 4 is a rear elevation view of the alternative configuration thereof;

FIG. 5 is a front elevation view of the alternative configuration thereof;

FIG. 6 is a right side elevation view of the alternative configuration thereof; and,

FIG. 7 is a left side elevation view of the alternative configuration thereof.

The broken lines in the drawings showing elements of the aircraft represent unclaimed portions of the aircraft and form no part of the claimed design. 

CLAIM The ornamental design for an aircraft, as shown and described. 